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The Relationship Between Mucus in Large Airways and Severity of Acute Exacerbation of Chronic Obstructive Pulmonary Disease

The Relationship Between Mucus in Large Airways and Severity of Acute Exacerbation of Chronic Obstructive Pulmonary Disease

Status
Recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000033101
Enrollment
Unknown
Registered
2020-05-20
Start date
2020-05-25
Completion date
Unknown
Last updated
2020-05-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Obstructive Pulmonary Disease

Interventions

case series:N/A

Sponsors

Meizhou People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. The forced expiratory volume (FEV1) / forced vital capacity (FVC) in the first second after inhalation of bronchodilator (salbutamol aerosol) was less than 70%. 2. Patients in acute aggravation stage. Acute exacerbation is defined as two major symptoms (dyspnea, increased sputum volume or purulent sputum), or one major symptom, combined with at least one secondary symptom (wheezing, chills, fever, sore throat or cough). 3. Patients who signed written informed consent before participating in the study.

Exclusion criteria

Exclusion criteria: 1. Patients with contraindications of bronchoscopy or pulmonary function examination. 2. Patients with known respiratory diseases other than COPD, including lung cancer, sarcoidosis, active tuberculosis, pulmonary fibrosis, cystic fibrosis, or diseases that may significantly affect clinical evaluation according to the judgment of researchers. 3. Definition of cancer: including current and recent 5-year diagnosis. 4. Patients with nervous system diseases affecting cough ability. 5. Patients without the ability to read and understand Mandarin.

Design outcomes

Primary

MeasureTime frame
Mucus in large airways;AECOPD severity;

Countries

China

Contacts

Public ContactCheng Yang

Meizhou People's Hospital

yirilin@163.com+86 13549181175

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jul 16, 2026